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How can I fix DNS errors?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

DNS errors are usually caused by problems with your internet connection or with the website's server. Sometimes, DNS errors can also be caused by your computer's firewall or security software. If you're seeing a DNS error, it means that your computer is having difficulty connecting to the website's server.

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1. Restart your computer

  1. From the Start menu, select Control Panel.
  2. Under System and Security, click Restart.
  3. In the Windows Restart dialog box, select the OK button.
  4. After your computer restarts, select your user account from the logon screen.
  5. Click the Start button.
  6. In the Search programs and files box, type dns and press ENTER.
  7. In the list of programs, right-click the dns program and select Shut Down.
  8. Restart your computer.
  9. After your computer restarts, open the dns program.
  10. Under the General tab, under Problem details, click the Refresh button.
  11. After your computer restarts, under the General tab, under Problem details, click the Reset button.

2. Update your DNS server

  1. Login to the DNS server using the console or command line interface.
  2. Change to the "A" record directory.
  3. Use the "dnscmd" command to update the A record for your domain name.
  4. If the update fails, try again using the "dnscmd" command with the "-A" parameter.
  5. Use the "netstat -an" command to check the status of the DNS updates.

3. Set the DNS server to public

  1. Go to the Start Menu, type "cmd" and hit enter.
  2. At the command prompt, type "ipconfig" and hit enter.
  3. At the command prompt, type "dns set public" and hit enter.
  4. Type "exit" at the command prompt and hit enter.
  5. Type "reboot" at the command prompt and hit enter.

4. Reset the DNS resolver cache

To reset the DNS resolver cache in order to fix dns errors:

  1. Open the Command Prompt.
  2. Enter "dnsreset /f" without the quotes.
  3. Enter your computer's IP address or domain name.
  4. Press ENTER.
  5. Your computer will restart.
  6. The DNS resolver cache should now be reset.

If the answers above didn't work then you should also try:

  1. Open the DNS Manager.
  2. Flush the DNS cache.
  3. Change the DNS server to 8.8.8.8.
  4. Try a different DNS server.